CN105338808A - Fabric for preventing adhesion of aquatic organisms - Google Patents

Fabric for preventing adhesion of aquatic organisms Download PDF

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Publication number
CN105338808A
CN105338808A CN201480035812.8A CN201480035812A CN105338808A CN 105338808 A CN105338808 A CN 105338808A CN 201480035812 A CN201480035812 A CN 201480035812A CN 105338808 A CN105338808 A CN 105338808A
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CN
China
Prior art keywords
cotton cloth
ptfe
fluororesin
tfe
copolymer
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Pending
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CN201480035812.8A
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Chinese (zh)
Inventor
吉田健
河原一也
辻雅之
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Daikin Industries Ltd
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Daikin Industries Ltd
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Publication date
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Priority to CN201710129845.4A priority Critical patent/CN107090713A/en
Priority to CN202010503830.1A priority patent/CN111636133A/en
Publication of CN105338808A publication Critical patent/CN105338808A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
    • D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
    • D06M15/295—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides containing fluorine
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/04—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons
    • D10B2321/042—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of halogenated hydrocarbons polymers of fluorinated hydrocarbons, e.g. polytetrafluoroethene [PTFE]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/20—Physical properties optical
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2507/00—Sport; Military
    • D10B2507/02—Nets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Zoology (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Artificial Filaments (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
  • Woven Fabrics (AREA)
  • Catching Or Destruction (AREA)

Abstract

The purpose of the present invention is to provide a fabric for preventing adhesion of aquatic organisms, which has exceptional strength and effectiveness in preventing adhesion of aquatic organisms, which readily sinks in water, and which is suitable for use in diverse forms and environments. This fabric for preventing adhesion of aquatic organisms comprises yarn that contains a fluororesin.

Description

That adheres to for preventing aquatile weaves cotton cloth
Technical field
The present invention relates to for weaving cotton cloth of preventing aquatile from adhering to.
Background technology
In various aouatic structure thing, the article used in the water surface or water that are such as representative with the fishery such as building, the fishing net article such as seawater water intake facilities, boats and ships in power station, the aquatiles (sea hydrobiont) such as its surface is adhered in a large number, grown barnacle, Ascidian, imperial cyprid, mussel, freshwater mussel, bugula neritina, intestines Enteromorpha, sea lettuce, may cause function to reduce or functional disorder thus.In the past, usually adopted mechanical removing methods such as accompanying aquatile regularly scrape off, but developed various antifouling paint in recent years, mainly implement this antifouling paint is applicable to aouatic structure thing surface to prevent hydrobiological attachment.
As antifouling paint, include the toxicity antifouling compositions such as machine tin compound, cuprous oxide, ZPT, pyrrole sulphur copper.But, although hydrobiological attachment, growth can prevent, employ toxicity antifouling composition, therefore not preferred from Environmental security health aspect when manufacture and the coating of coating, and in the stripping at leisure from film of water intoxication antifouling composition, likely long-term pollution waters.
Patent document 1 describes a kind of method preventing the aquatic organism of aouatic structure thing from adhering to, and it is characterized in that, utilizes specific polyolefin piece to be coated to the whole drinking water portion of aouatic structure thing.
Describe a kind of method preventing organism in water to be attached to aouatic structure thing surface in patent document 2, it is characterized in that, be coated to aouatic structure thing surface with specific cloth, net or Porous sheet.
A kind of composite marine structure is described in patent document 3, it comprises ocean base material and forms, it is the structure being provided with the layer of water penetration composite article at least partially on the surface of this ocean base material, the layer of this water penetration composite article comprises the nonwoven web being sealed with active particle, and this active particle provides the defence at least one in pollution and corrosion to this ocean base material.
Prior art document
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2000-287602 publication
Patent document 2: Japanese Laid-Open Patent Publication 63-22908 publication
Patent document 3: Japanese Kohyo 8-505337 publication
Summary of the invention
The problem that invention will solve
The present invention carries out in view of above-mentioned present situation, its object is to provide a kind of for weaving cotton cloth of preventing aquatile from adhering to, the effect that what this was weaved cotton cloth prevent aquatile from adhering to and excellent strength, and easy submerged in the water, use under being adapted at various shape and environment.
For solving the scheme of problem
The present inventor finds, compared with the material formed, has the effect preventing aquatile from adhering to of excellence by weaving cotton cloth of forming of the line comprising fluororesin with the resins for universal use such as polyamide, polyester, polyvinyl chloride.Find in addition, above-mentioned excellent strength compared with non-woven fabrics of weaving cotton cloth, and use under being adapted at various shape and environment.In addition find, compared with the resins for universal use such as polyamide, polyester, polyvinyl chloride, the proportion of fluororesin is high, thus above-mentioned easy submerged in the water of weaving cotton cloth, and this completes the present invention.
That is, the present invention relates to a kind of for weaving cotton cloth of preventing aquatile from adhering to, it is made up of the line comprising fluororesin.
Fluororesin is preferably selected from least one in the group be made up of polytetrafluoroethylene (PTFE) [PTFE], tetrafluoroethene [TFE]/perfluor (alkyl vinyl ether) [PAVE] copolymer [PFA], TFE/ hexafluoropropene [HFP] copolymer [FEP], ethene [Et]/TFE copolymer [ETFE], Et/TFE/HFP copolymer, polytrifluorochloroethylene [PCTFE], CTFE [CTFE]/TFE copolymer, Et/CTFE copolymer and polyvinylidene fluoride [PVDF], is more preferably polytetrafluoroethylene (PTFE) [PTFE].
The invention still further relates to a kind of net, it is made up of for weaving cotton cloth of preventing aquatile from adhering to above-mentioned.
The invention still further relates to a kind of fishing net, it is made up of for weaving cotton cloth of preventing aquatile from adhering to above-mentioned.
The effect of invention
Of the present inventionly to be made up of the line comprising fluororesin for weaving cotton cloth of preventing aquatile from adhering to, the effect preventing aquatile from adhering to thus and excellent strength, and easy submerged in the water, use under being adapted at various shape and environment.
Accompanying drawing explanation
Fig. 1 is the outward appearance photo of weaving cotton cloth of embodiment 2.
Fig. 2 is the outward appearance photo of the non-woven fabrics of comparative example 3.
Embodiment
Below, the present invention is illustrated.
Weave cotton cloth (hereinafter weaving cotton cloth also referred to as of the present invention) for preventing aquatile from adhering to of the present invention is made up of the line comprising fluororesin.Thereby, it is possible to given play to the excellent effect preventing aquatile from adhering to.
As aquatile, barnacle class, mussel, sea anemone class, oyster, Ascidian, hydroid, bryozoan, various water microorganisms, various seaweeds (Guan Zhizao, Sargassum fulvellum, sea lettuce, intestines Enteromorpha etc.), various diatoms, annelids (screw-worm, Di Shi spool worm etc.), spongia (Citrus And Litchi sponge etc.) etc. can be enumerated.
In this specification, fluororesin refers to partially crystalline fluoropolymer, is fluoroplastics.Fluororesin has fusing point, has thermoplasticity, can be melt processable, also can be non melt processable.
In this specification, melt processable refers to, the existing process equipment such as extruder and injection (mo(u)lding) machine can be utilized to be processed by polymer melting.Therefore, for the fluororesin of melt processable, the melt flow rate (MFR) utilizing assay method described later to measure is generally 0.01g/10 minute ~ 100g/10 minute.
Fluororesin has the proportion of 1.75 ~ 2.20 usually, with have 1.13 ~ 1.15 proportion the resins for universal use such as polyamide, the polyester with the proportion of 1.30 ~ 1.38, the vinyl chloride with the proportion of 1.35 ~ 1.45 such as nylon compared with, proportion is high.Thus, easy submerged in the water of weaving cotton cloth of the present invention.
Fluororesin preferred specific gravity in the present invention is more than 1.75, more high more preferred.
In the present invention, the proportion of above-mentioned fluororesin can be measured by displacement method in water.
The preferred fusing point of fluororesin in the present invention is 100 DEG C ~ 360 DEG C, be more preferably 140 DEG C ~ 360 DEG C, more preferably 160 DEG C ~ 360 DEG C, be particularly preferably 180 DEG C ~ 360 DEG C.
In this specification, the fusing point of above-mentioned fluororesin is the temperature corresponding with the maximum in heat of fusion curve when utilizing differential scanning calorimetry (DSC) (DSC) to heat up with the speed of 10 DEG C/min.
As above-mentioned fluororesin, polytetrafluoroethylene (PTFE) [PTFE], tetrafluoroethene [TFE]/perfluor (alkyl vinyl ether) [PAVE] copolymer [PFA], TFE/ hexafluoropropene [HFP] copolymer [FEP], ethene [Et]/TFE copolymer [ETFE], Et/TFE/HFP copolymer, polytrifluorochloroethylene [PCTFE], CTFE [CTFE]/TFE copolymer, Et/CTFE copolymer, polyvinylidene fluoride [PVDF], polyvinyl fluoride [PVF] etc. can be enumerated.Wherein, from the aspect can having given play to the more excellent effect preventing aquatile from adhering to, preferably be selected from least one in the group be made up of PTFE, PFA, FEP, ETFE, Et/TFE/HFP copolymer, PCTFE, CTFE/TFE copolymer, Et/CTFE copolymer and PVDF, be more preferably at least one in the group being selected from and being made up of PTFE, PFA, FEP and ETFE, more preferably PTFE.
Above-mentioned PTFE can be the homopolymerization PTFE only comprising TFE unit, also can be comprise TFE unit and based on can with the modified ptfe of the modified monomer unit of the modified monomer of TFE copolymerization.In addition, above-mentioned PTFE can be the HMW PTFE with non melt processable and fibril voltinism, also can be the low-molecular-weight PTFE having melt processable but do not have fibril voltinism.
As above-mentioned modified monomer, as long as just can be not particularly limited with TFE copolymerization, the perfluoroolefines such as such as hexafluoropropene [HFP] can be enumerated; The chlorine fluoroolefins such as CTFE [CTFE]; The hydrogeneous fluoroolefins such as trifluoro-ethylene, vinylidene fluoride [VDF]; Perfluoroalkyl vinyl ether; Perfluoro alkyl ethylene; Ethene; There is the fluorine-containing vinyl ether etc. of itrile group.In addition, the modified monomer used can be a kind, also can be two or more.
As above-mentioned perfluoroalkyl vinyl ether, be not particularly limited, such as following general formula (1) can be enumerated
CF 2＝CF-ORf 1(1)
(in formula, Rf 1represent perfluorinated organic group) represented by perfluor unsaturated compound etc.In this specification, above-mentioned " perfluorinated organic group " refers to the organic group being all replaced to fluorine atom with the hydrogen atom of carbon atom bonding.Above-mentioned perfluorinated organic group can have ether oxygen.
As above-mentioned perfluoroalkyl vinyl ether, Rf in such as above-mentioned general formula (1) can be enumerated 1represent that carbon number is perfluor (alkyl vinyl ether) [PAVE] of the perfluoroalkyl of 1 ~ 10.The carbon number of above-mentioned perfluoroalkyl is preferably 1 ~ 5.
As the perfluoroalkyl in above-mentioned PAVE, can enumerate such as perfluoro-methyl, perfluoro-ethyl, perfluoro propyl, perfluoro butyl, perfluoropentyl, perfluoro hexyl etc., preferred perfluoroalkyl is the perfluoro propyl vinyl ether [PPVE] of perfluoro propyl.
As above-mentioned perfluoroalkyl vinyl ether, and then can enumerate:
In above-mentioned general formula (1), Rf 1material, the Rf of to be carbon number the be perfluor (alkoxyalkyl) of 4 ~ 9 1following formula:
Material, the Rf of the group represented by (in formula, m represents the integer of 0 or 1 ~ 4) 1following formula:
The material etc. of the group represented by (in formula, n represents the integer of 1 ~ 4).
As perfluoro alkyl ethylene, be not particularly limited, such as perfluorobutyl ethylene [PFBE], perfluorohexyl ethylene etc. can be enumerated.
As the fluorine-containing vinyl ether with itrile group, more preferably CF 2=CFORf 2cN (in formula, Rf 2represent and can be inserted with the alkylidene that the carbon number of oxygen atom is 2 ~ 7 between 2 carbon atom) represented by fluorine-containing vinyl ether.
As the modified monomer in above-mentioned modified ptfe, be preferably selected from least one in the group be made up of HFP, CTFE, VDF, PPVE, PFBE and ethene.Be more preferably at least one monomer in the group being selected from and being made up of HFP and CTFE.
In above-mentioned modified ptfe, preferred modified monomer unit is the scope of 0.001 % by mole ~ 2 % by mole, is more preferably the scope of 0.001 % by mole ~ 1 % by mole.
Above-mentioned PTFE preferred molten viscosity (MV) is 1.0 × more than 10Pas, is more preferably 1.0 × 10 2more than Pas, more preferably 1.0 × 10 3more than Pas.
Above-mentioned melt viscosity can measure as follows: according to ASTMD1238, use the mould of flow tester (manufacture of society of Shimadzu Seisakusho Ltd.) and 2 φ-8L, said temperature will be remained to measure temperature (380 DEG C) the heating 2g sample of 5 minutes in advance with the load of 0.7MPa, thus measure.
Above-mentioned PTFE preferred standard proportion (SSG) is 2.130 ~ 2.230, is more preferably more than 2.140, is more preferably less than 2.190.
Above-mentioned standard specific gravity (SSG) can measure based on displacement method in water according to ASTMD4895-89.
The preferred fusing point of above-mentioned PTFE is 324 DEG C ~ 360 DEG C.
Above-mentioned PTFE preferred specific gravity is 2.130 ~ 2.230, is more preferably more than 2.140.
As above-mentioned PFA, be not particularly limited, the mol ratio (TFE unit/PAVE unit) of preferred TFE unit and PAVE unit is more than 70/30 and is less than the copolymer of 99/1.Preferred mol ratio is more than 70/30 below 98.9/1.1, further preferred mol ratio is more than 80/20 below 98.5/1.5.If TFE unit is very few, then have the tendency that mechanical properties reduces, if too much, then fusing point becomes too high, has the tendency that mouldability reduces.Above-mentioned PFA is also preferably following copolymer: from being 0.1 % by mole ~ 10 % by mole with the monomeric unit of the monomer of TFE and PAVE copolymerization, TFE unit and PAVE unit add up to 90 % by mole ~ 99.9 % by mole.As can with the monomer of TFE and PAVE copolymerization, can HFP, CZ be enumerated 3z 4=CZ 5(CF 2) nz 6(in formula, Z 3, Z 4and Z 5identical or different, represent hydrogen atom or fluorine atom, Z 6represent hydrogen atom, fluorine atom or chlorine atom, n represents the integer of 2 ~ 10) represented by vinyl monomer and CF 2=CF-OCH 2-Rf 7(in formula, Rf 7represent the carbon number perfluoroalkyl that is 1 ~ 5) represented by alkyl perfluorovinyl sulfide ether derivant etc.
The preferred fusing point of above-mentioned PFA is 180 DEG C ~ 340 DEG C, be more preferably 230 DEG C ~ 330 DEG C, more preferably 280 DEG C ~ 320 DEG C.
The preferred MFR of above-mentioned PFA is 0.1g/10 minute ~ 100g/10 minute, be more preferably 0.5g/10 minute ~ 90g/10 minute, more preferably 1.0g/10 minute ~ 85g/10 minute.
In this specification, MFR measures with temperature 372 DEG C, load 5kg the value obtained according to ASTMD1238.
Above-mentioned PFA preferred specific gravity is 2.12 ~ 2.18.
As above-mentioned FEP, be not particularly limited, the mol ratio (TFE unit/HFP unit) of preferred TFE unit and HFP unit is more than 70/30 and is less than the copolymer of 99/1.Preferred mol ratio is more than 70/30 below 98.9/1.1, further preferred mol ratio is less than more than 80,/20 97/3.If TFE unit is very few, then have the tendency that mechanical properties reduces, if too much, then fusing point becomes too high, has the tendency that mouldability reduces.FEP is also preferably following copolymer: from being 0.1 % by mole ~ 10 % by mole with the monomeric unit of the monomer of TFE and HFP copolymerization, TFE unit and HFP unit add up to 90 % by mole ~ 99.9 % by mole.As can with the monomer of TFE and HFP copolymerization, PAVE, alkyl perfluorovinyl sulfide ether derivant etc. can be enumerated.
The preferred fusing point of above-mentioned FEP is 150 DEG C ~ 320 DEG C, be more preferably 200 DEG C ~ 300 DEG C, more preferably 240 DEG C ~ 280 DEG C.
The preferred MFR of above-mentioned FEP is 0.01g/10 minute ~ 100g/10 minute, be more preferably 0.1g/10 minute ~ 80g/10 minute, more preferably 1g/10 minute ~ 60g/10 minute, be particularly preferably 1g/10 minute ~ 50g/10 minute.
Above-mentioned FEP preferred specific gravity is 2.12 ~ 2.18.
As above-mentioned ETFE, the mol ratio (TFE unit/ethylene unit) of preferred TFE unit and ethylene unit is the copolymer of less than more than 20,/80 90/10.Preferred mol ratio is less than more than 37,/63 85/15, preferably mol ratio is less than more than 38,/62 80/20 further.ETFE can for by TFE, ethene and the copolymer that can form with the monomer of TFE and ethylene copolymer.As can the monomer of copolymerization, following formula can be enumerated
CH 2＝CX 5Rf 3、CF 2＝CFRf 3、CF 2＝CFORf 3、CH 2＝C(Rf 3) 2
(in formula, X 5represent hydrogen atom or fluorine atom, Rf 3expression can comprise the fluoro-alkyl of ehter bond) represented by monomer, wherein, preferred CF 2=CFRf 3, CF 2=CFORf 3and CH 2=CX 5rf 3represented fluorine-containing vinyl monomer, more preferably HFP, CF 2=CF-ORf 4(in formula, Rf 4represent the carbon number perfluoroalkyl that is 1 ~ 5) represented by perfluor (alkyl vinyl ether) and Rf 3the CH of to be carbon number the be fluoro-alkyl of 1 ~ 8 2=CX 5rf 3represented fluorine-containing vinyl monomer.In addition, as can with the monomer of TFE and ethylene copolymer, can be the aliphatic such as itaconic acid, itaconic anhydride unsaturated carboxylic acid.Relative to fluoropolymer, 0.1 % by mole ~ 10 % by mole can be preferably, be more preferably 0.1 % by mole ~ 5 % by mole, be particularly preferably 0.2 % by mole ~ 4 % by mole with the monomer of TFE and ethylene copolymer.
The preferred fusing point of above-mentioned ETFE is 140 DEG C ~ 340 DEG C, be more preferably 160 DEG C ~ 300 DEG C, more preferably 195 DEG C ~ 275 DEG C.
The preferred MFR of above-mentioned ETFE is 1g/10 minute ~ 100g/10 minute, be more preferably 2g/10 minute ~ 50g/10 minute, more preferably 4g/10 minute ~ 40g/10 minute.
Above-mentioned ETFE preferred specific gravity is 1.70 ~ 1.90.
In this specification, the content forming each monomeric unit of fluororesin can according to the appropriately combined NMR of the kind of monomer, FT-IR, elementary analysis, x-ray fluorescence analysis and calculating.
As long as form line of weaving cotton cloth of the present invention to comprise fluororesin, being not particularly limited, can, for fluororesin being processed into the material of wire, also can be the material on part or all surface being coated to the line of not fluorine resin with fluororesin.
As the material of line forming not fluorine resin, the thermoplastic resin of non-fluorine system, heat-curing resin etc. can be enumerated.
Wherein preferred thermoplastic resin.Thermoplastic resin is the resin being out of shape because of external force when heating or flowing.
As thermoplastic resin, such as polyamide can be enumerated, polyethylene-based resin, polypropylene-based resin, polyvinylidene fluoride resin, acrylic resin, polyacrylonitrile, acrylonitrile-butadiene-styrene (ABS) (ABS) resin, polystyrene resin, acrylonitrile-styrene (AS) resin, vinyl chloride resin, PETG, polyacetal resin, polycarbonate resin, modified polyphenylene ether resin, polyphenylene sulfide, polyamide-imide resin, polyetherimide resin, polysulfone resin, polyethersulfone resin, and their mixture or copolymer.
Wherein preferred polyamide resin.
Form line of weaving cotton cloth of the present invention and can comprise additive kind further as required.As such additive kind, be not particularly limited, such as levelling agent, kollag, pigment, brightener, filler, pigment dispersing agent, surface conditioner, viscosity modifier, ultra-violet absorber, light stabilizer, plasticizer, anti-agent of growing dim, scratching agent, biology can be enumerated and displace agent, mould inhibitor, antibacterial agent, resist, antistatic additive, silane coupler etc.
Form line preferred average diameter of weaving cotton cloth of the present invention to be 10 μm ~ 2000 μm, to be more preferably 50 μm ~ 1000 μm.
Above-mentioned average diameter can utilize videomicroscopy to measure.
Forming the preferred fineness of line of weaving cotton cloth of the present invention is 70D ~ 7000D.Be more preferably 150D ~ 3000D.
Above-mentioned fineness can be calculated by following formula by gravimetry (W) and length (L).
Fineness (D)=9000 × W (g)/L (m)
Of the present invention weaving cotton cloth can comprise the line of not fluorine resin further.
In the present invention, the article referring to that warp and parallel interlock according to certain rule of weaving cotton cloth.
Weave cotton cloth compared with sheet, the water capacity is easily passed through, and is difficult to break when thus using in water, and easily reclaims from water.In addition, weave cotton cloth more soft compared with sheet, thus can use with more kinds of various shape.In addition, weave cotton cloth higher with non-woven fabrics phase specific strength, thus can also be applicable to the purposes requiring more high strength.
Of the present inventionly weave cotton cloth, at least one formed in the warp and parallel of weaving cotton cloth is made up of the line comprising fluororesin.
Of the present invention weaving cotton cloth such as can be manufactured by the method comprising following operation: manufacture the operation comprising the line of fluororesin; With knit obtained line and manufacture the operation of weaving cotton cloth.
As manufacturing the method comprising the line of fluororesin, the method on the surface of method fluororesin being processed into wire and the line being coated to not fluorine resin with fluororesin can be roughly divided into.
Different when the fluororesin of method fluororesin being processed into wire beyond PTFE and PTFE.
When fluororesin is PTFE, such as, can enumerates and rub PTFE fiber with the hands and be the method for wire.
PTFE fiber can be manufactured by the method, emulsion spinning etc. utilizing clipper to cut open PTFE film.
Emulsion spinning carries out as follows.That is, in the aqueous liquid dispersion of PTFE, add the polymer as matrix on a small quantity, and when spinning in coagulation bath, then form the fiber of the state of PTFE Granular composite in matrix.When being heated to 330 DEG C ~ 400 DEG C, matrix decomposes and volatilizees, and simultaneously PTFE particle is hot sticky and form PTFE fiber, and then stretches with the temperature of 300 DEG C ~ 400 DEG C, thus obtains intensity and the improved fiber of tensile stretch.
As above-mentioned matrix, the water miscible polymer such as viscose, mosanom, polyvinyl alcohol can be used.
The method of rubbing PTFE fiber with the hands can adopt known method.
When fluororesin is the fluororesin beyond PTFE, melt spinning, solution-polymerized SBR, fiber spinning from crystalline state, flash-spinning, electrostatic spinning, flame stretching method, rotary process, meltblown, spun-bond process, wet type spun-bond process etc. can be adopted.
As the method on surface of line being coated to not fluorine resin with fluororesin, following method can be enumerated: the line of not fluorine resin is impregnated in the aqueous liquid dispersion of fluororesin, and dry.And then, in order to improve water proofing property, can by adding the surfactant of heat abstraction from the aqueous liquid dispersion of fluororesin.
The line of fluorine resin is not manufactured by known method.
As the method for knitting the line as above obtained, be not particularly limited, known method can be adopted.Weave (fabric tissue) is not particularly limited, adopts plain weave according to purposes, tiltedly knits, the known weave such as satin weave.
In addition, of the present invention weaving cotton cloth also can be manufactured by the method comprising following operation: manufacture the operation of weaving cotton cloth be made up of the line of not fluorine resin; With the operation being coated to the obtained surface of weaving cotton cloth with fluororesin.
What be made up of the line of not fluorine resin is weaved cotton cloth and can be manufactured by following manner: according to known method, the weave desired by employing knits the line of not fluorine resin.
As the method being coated to the obtained surface of weaving cotton cloth with fluororesin, in the aqueous liquid dispersion that can enumerate weaves cotton cloth this is impregnated into fluororesin, carry out dry method.In addition, in order to improve water proofing property, also can by adding the surfactant of heat abstraction from the aqueous liquid dispersion of fluororesin.
Of the present invention weave cotton cloth to weave cotton cloth with other fit.Thereby, it is possible to improve the intensity of weaving cotton cloth.Weave cotton cloth as other, as long as weaving cotton cloth of fluorine resin does not just limit, weaving cotton cloth of being made up of the line of the thermoplastic resin of non-fluorine system, heat-curing resin etc. can be enumerated.Wherein preferred be made up of the line of thermoplastic resin weave cotton cloth, what be more preferably made up of the line of polyamide weaves cotton cloth.
Of the present invention weaving cotton cloth is made up of the line comprising fluororesin, thus the effect preventing aquatile from adhering to and excellent strength, and easy submerged in the water, use under being adapted at various shape and environment, thus no matter use in seawater, fresh water, all can be applicable to various aouatic structure thing.In addition, also can use at the water surface.
Being not particularly limited being suitable for mode of weaving cotton cloth of the present invention, of the present invention weaving cotton cloth can being set on the surface of aouatic structure thing, also as net, of the present invention weaving cotton cloth itself can be used as aouatic structure thing.
As aouatic structure thing, such as, can exemplify following article and works, but be not limited to these.In addition, works not only comprises the building of the fixed such as bridge pier, water channel, also comprises boats and ships etc. based on mobile building.
Fixed:
Building in the water such as bridge, concrete block, Wave-dissipating block, breakwater, pipeline;
The port facilities such as gate, marine tank, floating landing stage;
The seabed operation facilities such as seabed excavating equipment, marine communication cable facility;
Firepower, atomic energy, power from ocean tides, the ocean thermal energy conversion facility such as penstock, condenser pipe, water tank, intake, dewatering outlet;
Plumbing and the storage facilities such as pond, tank, water tower, sewer, drip molding;
Equipment in the families such as auxiliary type kitchen, water-closet, bathroom, bath;
Mobile model:
Exterior, Ship Structure thing or the adjunct such as propeller, screw, anchor of the drinking water portion of boats and ships or hull bottom, submarine;
The article used in the water surface or water;
Fixed:
The fishing nets such as fixed network, buoy, the fishery such as cage, rope article of breeding fish;
The firepower such as condenser, water tank, atomic energy, ocean thermal energy conversion article;
Article are laid in the seabeds (bottom) such as marine (in water) cable;
Various net;
Mobile model:
The fishing nets such as trawlnet, prolong the fishery article such as rope;
Various net.
Among above-mentioned, due to the advantage as weaving cotton cloth can be applied flexibly, thus preferred net, fishing net and rope.
By the net that forms and be also one of the present invention by the fishing net formed of weaving cotton cloth of the present invention of weaving cotton cloth of the present invention.
Embodiment
Then, enumerate embodiment so that the present invention to be described, but the present invention is not only defined in described embodiment.
(melt viscosity)
According to ASTMD1238, use the mould of flow tester (manufacture of society of Shimadzu Seisakusho Ltd.) and 2 φ-8L, said temperature will be remained to measure temperature (380 DEG C) the heating 2g sample of 5 minutes in advance with the load of 0.7MPa, thus measure.
(standard specific gravity (SSG))
According to ASTMD4895-89, measure based on displacement method in water.
(fusing point)
Obtain as the temperature corresponding with the maximum in heat of fusion curve when utilizing differential scanning calorimetry (DSC) (DSC) to heat up with the speed of 10 DEG C/min.
(proportion)
Displacement method in water is utilized to measure.
(average diameter)
Videomicroscopy is utilized to measure.
(fineness)
Quality measurement and length, calculate the ratio of quality relative to the length of fiber.
(MFR)
Measure the value obtained as according to ASTMD1238 obtain with temperature 372 DEG C, load 5kg.
The content of each monomeric unit uses NMR, FT-IR, elementary analysis, x-ray fluorescence analysis to measure.
Embodiment 1
Use PTFE (SSG:2.159, fusing point: 344 DEG C, proportion: line (average diameter: 100 μm, fineness: 300D) 2.159), obtains PTFE and weave cotton cloth.
Fix obtained PTFE with the test frame of vinyl chloride to weave cotton cloth (test base), hang down from harbour, implement the aquatile adhiesion test of 3 months.Test base is arranged in seawater at ordinary times, mentions and after carrying out abbreviated analysis, stopped after 3 months as test after hanging down 1 month, after 2 months, implements final observation and the mensuration of adhesion amount.Result is shown in table 1.
Comparative example 1
Use nylon (proportion: line (average diameter: 50 μm, fineness: 35D) 1.13), obtains nylon and weave cotton cloth.Obtained nylon is weaved cotton cloth, utilizes the method identical with embodiment 1 to implement the aquatile adhiesion test of 3 months.Result is shown in table 1.
Comparative example 2
Use polyester (proportion: line (average diameter: 40 μm, fineness: 50D) 1.31), obtains woven polyester cloth.For obtained woven polyester cloth, the method identical with embodiment 1 is utilized to implement the aquatile adhiesion test of 3 months.Result is shown in table 1.
[table 1]
Embodiment 2
Use PTFE (SSG:2.159, fusing point: 344 DEG C, proportion: line (average diameter: 100 μm, fineness: 300D) 2.159), obtains PTFE and weave cotton cloth.Obtained PTFE is weaved cotton cloth, implements tension test and permeable amount mensuration.Tension test is carried out according to JISL1913.About permeable amount, with through net sectional area 13.5cm 2, atmospheric condition determines pure water transit dose.Result is shown in table 2.In addition, the outward appearance photo of being weaved cotton cloth by PTFE is shown in Fig. 1.
Comparative example 3
Use PTFE (SSG:2.159, fusing point: 344 DEG C, proportion: line (average diameter: 100 μm, fineness: 300D) 2.159), obtains PTFE non-woven fabrics.For obtained PTFE non-woven fabrics, implement tension test and permeable amount mensuration.Tension test is carried out according to JISL1913.About permeable amount, method is similarly to Example 2 utilized to measure.Result is shown in table 2.In addition, the outward appearance photo of PTFE non-woven fabrics is shown in Fig. 2.
Comparative example 4
By PTFE, (SSG:2.157, fusing point: 345 DEG C, proportion: 2.157) after extruded with 29.4MPa, in baking furnace, fire 3 hours with 370 DEG C, produce the sheet that thickness is 2.0mm thus.For obtained PTFE sheet, implement tension test and permeable amount mensuration.Tension test is carried out according to JISK6891.About permeable amount, method is similarly to Example 2 utilized to measure.Result is shown in table 2.
[table 2]
Reference example 1
By PTFE, (SSG:2.157, fusing point: 345 DEG C, proportion: 2.157) after extruded with 29.4MPa, in baking furnace, fire 3 hours with 370 DEG C, produce the sheet that thickness is 2.0mm thus.For obtained PTFE sheet, carry out barnacle adhiesion test.Result is shown in table 3.
Reference example 2
PTFE is changed to tetrafluoroethylene/hexafluoropropylene copolymer [FEP] (TFE/HFP=93/7 (mol ratio), fusing point: 268 DEG C, proportion: 2.12), obtain FEP sheet in addition in the same manner as reference example 1.For obtained FEP sheet, carry out barnacle adhiesion test.Result is shown in table 3.
(barnacle adhiesion test)
Together hang down each in seawater circulation formula tank with net formula test chamber, observe the attachment of the barnacle setting stage young on each moved in test chamber, the convection current attachment inhibition of each is under water tested thus.
Observe attachment number (n) of the barnacle setting stage young on each moved in test chamber, calculate thus each under flowing water adhesive rate [(n/ (and immigration the barnacle setting stage young number)) × 100%].
[table 3]

Claims (5)

1. one kind for weaving cotton cloth of preventing aquatile from adhering to, and it is made up of the line comprising fluororesin.
2. as claimed in claim 1 for weaving cotton cloth of preventing aquatile from adhering to, wherein, fluororesin is for being selected from by polytetrafluoroethylene (PTFE) [PTFE], tetrafluoroethene [TFE]/perfluor (alkyl vinyl ether) [PAVE] copolymer [PFA], TFE/ hexafluoropropene [HFP] copolymer [FEP], ethene [Et]/TFE copolymer [ETFE], Et/TFE/HFP copolymer, polytrifluorochloroethylene [PCTFE], CTFE [CTFE]/TFE copolymer, at least one in the group that Et/CTFE copolymer and polyvinylidene fluoride [PVDF] form.
3. as claimed in claim 1 or 2 for weaving cotton cloth of preventing aquatile from adhering to, wherein, fluororesin is polytetrafluoroethylene (PTFE) [PTFE].
4. a net, it is by forming for weaving cotton cloth of preventing aquatile from adhering to described in claim 1,2 or 3.
5. a fishing net, it is by forming for weaving cotton cloth of preventing aquatile from adhering to described in claim 1,2 or 3.
CN201480035812.8A 2013-06-24 2014-06-20 Fabric for preventing adhesion of aquatic organisms Pending CN105338808A (en)

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CN111636133A (en) 2020-09-08

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